Home / 83,375.67-115,057.55-45,134.36

Finding the Fourth Proportional to 83,375.67, 115,057.55 and 45,134.36

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Solution

The fourth proportional to 83,375.67, 115,057.55 and 45,134.36 is: 62,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.67 : 115,057.55 = 45,134.36 : x
  2. Step 2: Convert to fraction form
    83,375.67/115,057.55 = 45,134.36/x
  3. Step 3: Cross multiply
    83,375.67x = 115,057.55 × 45,134.36
  4. Step 4: Simplify right side
    83,375.67x = 5,193,048,419.97
  5. Step 5: Solve for x
    x = 5,193,048,419.97/83,375.67
  6. Step 6: Final answer
    x = 62,284.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.